drivers: stm32_cpu_opp: skip OPP unsupported by SOC

Use device ID to remove not supported OPP.

Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Pascal Paillet <p.paillet@fos

drivers: stm32_cpu_opp: skip OPP unsupported by SOC

Use device ID to remove not supported OPP.

Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Pascal Paillet <p.paillet@foss.st.com>

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drivers: stm32_cpu_opp: skip OPP with unsupported voltage

Remove operating points that could not be handled
by the regulator supplying the CPU.

Signed-off-by: Patrick Delaunay <patrick.delaunay@fos

drivers: stm32_cpu_opp: skip OPP with unsupported voltage

Remove operating points that could not be handled
by the regulator supplying the CPU.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Pascal Paillet <p.paillet@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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drivers: add stm32 CPU DVFS driver

drivers/cpu_opp.c implements dynamic voltage and frequency
scaling for the CPU.
It is used at boot time to set an higher operating point than
the one used to boot.

drivers: add stm32 CPU DVFS driver

drivers/cpu_opp.c implements dynamic voltage and frequency
scaling for the CPU.
It is used at boot time to set an higher operating point than
the one used to boot.
It will be used by the SCMI performance service.

Signed-off-by: Pascal Paillet <p.paillet@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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